According to CEA, the average U.S. household owns 26 electronic devices and spends $1,500 annually adding to the collection. Mobile phones account for nearly 150M devices retired annually. Simultaneously, there is a vibrant worldwide secondary market for these devices that ABI Research estimates at over $5B annually.

Google () announced Wednesday morning that it has begun rolling out mobile editing for Google Docs (). The update isn’t yet available for everyone, but it should be available to all over the next few days.

To date, only Google Docs spreadsheets have supported mobile editing. When the the update hits, all Google Docs documents will be editable on devices running Android () 2.2 (and higher) and iOS 3.0+.

We’ve not been able to test it out yet, but Google has released a little video — as seen above — showcasing the new mobile editing capabilities of Google Docs.